[Arm-netbook] capacitive touchpanels

[luke.leighton]

On Sun, Nov 25, 2012 at 12:34 PM, Attila Asztalos
<attila.asztalos at gmail.com> wrote:
> On 24-Nov-2012 17:18, luke.leighton wrote:
>> however, given that the price of the controller ICs is absolutely mad
>> - i'm seeing prices of $4 (!!) - it's just... i can't bring myself to
>> justify it sooooo, the idea is to use a 100-pin STM32F.  15 "scan"
>> lines (across the horizontal), and 10 "sensor" lines (going down), i
>> feel reasonably confident that this is doable, although, obviously,
>> i'm going to have to check!
>>
>> what fun, eh?  no proprietary ICs - just use a single controller, do
>> it all as free software :)
>>
>> l.
>
> I thought you might want to know about these [1]. They're still not
> really cheap, not really a classic touch controller and not really
> readily available yet, but they do look intriguing I think.

 woow.  $2.26 in high volumes.  given that a capacitive controller IC
i found was $4 that's .... good.